Wilkins 350XL Lead Free Double Check Backflow Preventer 1-1/2 in.

The Zurn Double Check Backflow Preventer 1-1/2 in. Threaded Cast Bronze protects potable water from contamination to avoid health hazards. Thanks to its lead-free construction, this backflow preventer is suitable for supplying drinking water. Its patented pressure vessel can be removed for easy maintenance and offers reliable line flushing. The top-mounted test cocks aid in easy installation for convenience.